21671286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2089}}^1$

素因数の和:2133

約数の個数: 64

約数和(自身を含む): 56179200

約数和(自身を除く): 34507914

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 2089, 3458, 4178, 5187, 6267, 10374, 12534, 14623, 27157, 29246, 39691, 43869, 54314, 79382, 81471, 87738, 119073, 162942, 190099, 238146, 277837, 380198, 515983, 555674, 570297, 833511, 1031966, 1140594, 1547949, 1667022, 3095898, 3611881, 7223762, 10835643, 21671286]

約数ペア:

[(1, 21671286), (2, 10835643), (3, 7223762), (6, 3611881), (7, 3095898), (13, 1667022), (14, 1547949), (19, 1140594), (21, 1031966), (26, 833511), (38, 570297), (39, 555674), (42, 515983), (57, 380198), (78, 277837), (91, 238146), (114, 190099), (133, 162942), (182, 119073), (247, 87738), (266, 81471), (273, 79382), (399, 54314), (494, 43869), (546, 39691), (741, 29246), (798, 27157), (1482, 14623), (1729, 12534), (2089, 10374), (3458, 6267), (4178, 5187)]